Nowadays more and more people are beginning to take care of their health through exercise, and morning running and night running is the first choice for most people, so which of these two time periods is good for exercise? A, the advantages and disadvantages of morning running 1, the advantages of morning running: morning running can make people wake up from a night’s sleep and maintain a good physical state throughout the day, emptying thoughts and opening up a full day of creativity, which may be related to the release of endorphins brought about by running, this hormone will bring calm, quiet and refreshing effect on the body and mind. In addition, those who choose to run in the morning certainly do not have time to sleep, so morning running to some extent allows you to change the bad habit of sleeping, but also to remind you to eat breakfast on time. 2, the disadvantages of morning running: Morning running can also bring some disadvantages, including: the morning is the highest concentration of carbon dioxide in the air of the day, the most serious time of the haze, this time for morning running is likely to cause respiratory disease. The elevation of heart rate and blood pressure during morning running is faster than any other time, which will put a burden on the heart and easily lead to sudden death. If you run on an empty stomach or with high intensity in the morning, it is easy to cause hypoglycemia, but you should not eat too much for morning running. It is best to get some energy before the morning run, and remember to eat some breakfast after the morning run. The number of platelets in the body’s blood is higher in the morning, the blood is more viscous, and morning running can easily lead to blood clots. It is recommended that those who choose to run in the morning do not forget to drink a glass of light salt water to dilute the blood concentration. Second, the advantages and disadvantages of night running 1, the advantages of night running: night running can make people more relaxed, relieve the pressure after a busy day. Night oxygen content is more, compared to the morning air quality is better, choose to run in this period of time is more beneficial to health. Night running is good for weight loss because night is the time when human metabolism is high, which is good for fat burning. The number of platelets in the body’s blood at night is relatively small, which can well avoid the phenomenon of blood clots. 2, the disadvantages of night running: But the night insecurity compared to the day will be a lot more, so running at night is easy to happen accidents. Therefore, night running in the choice of light bright security point of the place, the best night running in pairs. In addition, not only is the temperature low at night, but also the frequency of wind is relatively high. After running and sweating, the pores of the skin are open, this time frequent blowing wind, easy to get sick. Therefore, night running should pay more attention to keep warm. It is not advisable to run after dinner, otherwise it may cause indigestion and even gastroenteritis. Three, runners note 1, if time allows, try to run from 4:00 to 6:00. 2, choose morning running exercise, please choose to start running after sunrise, remember to add a little sugar before, such as a glass of honey water. 3, choose night runners, try to end the exercise before 11 o’clock at night, leaving enough time for bathing and resting, to avoid too much excitement before going to bed, resulting in poor sleep quality. 4, on the morning run or night run, the first thing to observe the environment and air is suitable for running, and do not run more than an hour, and to low intensity. 5, run do not choose a windy location, pay attention to insulation, you can bring a towel to wipe sweat in time to avoid catching a cold.